Amphibian
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Amphibians are ectothermic, anamniotic, four-limbed vertebrate animals that constitute the class Amphibia. In its broadest sense, it is a paraphyletic group encompassing all tetrapods, but excluding t
Litoria phyllochroa
Buettneria AMNH
Notophthalmus viridescens PCCA20040816 3983A
Dermophis mexicanus
Caecilian
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Caecilians are a group of limbless, worm-shaped or snake-shaped amphibians, with either small eyes or no eyes, comprising the order Gymnophiona. They mostly live hidden in soil or in streambeds, makin
Amphibian
…amphibians belong to the monophyletic subclass Lissamphibia, with three living orders: Anura (frogs and toads), Urodela (salamanders), and Gymnophiona (caecilians). Evolved to be mostly semiaquatic, amphibians have adapted to inhabit a wide variety of habitats, with most species living in freshwater, wetland or…
Oscaecilia ochrocephala
X-ray showing the skeleton of Typhlonectes (Typhlonectidae)
Head of Geotrypetes seraphini (Dermophiidae), showing reduced eyes, nostrils, and small tentacles below the nostrils
Caecilia pulchraserrana (Caeciliidae) showing the smooth skin typical of caecilians